ZERUST FLANGE SAVER. ZERUST VCI TECHNOLOGY PROTECT FLANGE ASSEMBLIES WITH A CORROSION INHIBITING WRAP

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1 ZERUST FLANGE SAVER PROTECT FLANGE ASSEMBLIES WITH A CORROSION INHIBITING WRAP ZERUST VCI TECHNOLOGY

2 Zerust Flange OFFSHORE - PETROBRAS

3 Zerust Flange OFFSHORE - PETROBRAS

4 Zerust Flange OFFSHORE - PETROBRAS

5 Zerust Flange Saver - OFFSHORE - PETROBRAS

6 Zerust Flange OFFSHORE - PETROBRAS

7 Zerust Transparent Flange Saver 4 years protection against corrosion

8 Zerust Transparent Flange oil offshore platform - Brazil

9 Zerust Transparent Flange oil offshore platform - Brazil

10 Zerust Transparent Flange oil offshore platform - Brazil

11 Zerust Transparent Flange oil offshore platform - Brazil

12 Zerust Transparent Flange oil offshore platform Brazil

13 Zerust Transparent Flange Saver Benefits Transparent film allows visibility to flange assemblies inside the enclosure Material Performance Temperature: 20 75ºC Resistant to UV and harsh climatic conditions (up to 4 years of exposure) Service Life: UV Resistance: 4 years 4 years Corrosive Environment CIˉ, H 2 S, SO 2 e CO 2 Proven Zerust Vapor Corrosion Inhibitor (VCI) in film. Relative Humidity: 100% Shelf Life: 4 years

14 Zerust Transparent Flange Saver environment - PETROBRAS TRIAL TEST WITH SAE1010 COUPON WITH Zerust WITHOUT Zerust INICIAL AFTER 7 MONTHS TRIAL TEST WITH SAE 1010 COUPON INSIDE OUTSIDE RATE OF PROTECTION CORROSION RATE (mm/years) 0, , ~56 x

15 PETROBRAS GLOBAL CONTRACT for Zerust Transparent Flange Saver COD. ZERUST NM BITOLA FLANGE PETROBRAS Norma ANSI B16.5 FLA1Z /2" até 3/4" FLA1Z " até 1. 1/2" FLA1Z " até 2.1/2" FLA1Z " FLA1Z " FLA1Z " FLA1Z " FLA1Z " FLA1Z " FLA1Z " FLA1Z " FLA1Z " FLA1Z " FLA1Z " FLA1Z " FLA1Z " FLA1Z " FLA1Z " PETROBRAS SUPPLY NEW GLOBAL CONTRACT Nº:

16 Zerust VCI Tecnology PRINCIPLE OF ACTION VCI MOLECULES CORROSION ON THE SURFACE ACTION OF VCI MOLECULES ONTO METAL SURFACE Zerust ICT products prevent corrosion in several ways: 1. By acting as a protective barrier from external dirt and abrasion, and also as a barrier to help block the diffusion of corrosive acid gas pollutants from outside of ICT packaging material (such as sulfur dioxide or hydrogen sulfide) - thereby preventing contact of these corrosive gases with enclosed metal surfaces. 2. By vapor corrosion inhibitors that passivate the electron flow between the anodic and cathodic areas on metal surfaces and interrupt the electro-chemical corrosion process. 3. By adding water repulsion properties to the metal surface, which inhibit water from permeating the metal surface and providing the electrolyte for corrosion reactions. TESTE SALT SPRAY ASTM B117 WITHOUT ZERUST WITH ZERUST

17 Zerust FLANGE SAVER Benefits & Characteristics Maintenance time is significantly reduced Maintenance costs can be more than halved* Quick and easy installation and replacement No electrical devices or heating equipment required No special training or certification required for installation Effective life of up to 4 years before replacement (depending on client requirements). Resistant to UV and harsh climatic conditions Transparent film allows visibility to flange assemblies inside the enclosure

18 Corrosion problems??? FPSO Oil Offshore Platform After 4 years in operation.

19 QUESTIONS?